Base | Representation |
---|---|
bin | 1001000001010… |
… | …00001011011000 |
3 | 12021101000210210 |
4 | 10200220023120 |
5 | 123332141130 |
6 | 11301411120 |
7 | 1606055016 |
oct | 440501330 |
9 | 167330723 |
10 | 75662040 |
11 | 39789013 |
12 | 21409aa0 |
13 | 128a1a4c |
14 | a0978b6 |
15 | 69985b0 |
hex | 48282d8 |
75662040 has 64 divisors (see below), whose sum is σ = 233134560. Its totient is φ = 19630080.
The previous prime is 75662039. The next prime is 75662101. The reversal of 75662040 is 4026657.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 75661989 and 75662007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4081 + ... + 12960.
Almost surely, 275662040 is an apocalyptic number.
It is an amenable number.
75662040 is an abundant number, since it is smaller than the sum of its proper divisors (157472520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75662040 is a wasteful number, since it uses less digits than its factorization.
75662040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17092 (or 17088 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 75662040 is about 8698.3929550234. The cubic root of 75662040 is about 422.9535574874.
Adding to 75662040 its reverse (4026657), we get a palindrome (79688697).
The spelling of 75662040 in words is "seventy-five million, six hundred sixty-two thousand, forty".
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